Spectrum reports that Caltech researchers are developing a MEMS robotic device to insert and position electrodes in the brain. The system could enhance the performance of neural prosthetics, which have proved hard to implant accurately. The researchers haven't built the device yet, but they've devised control algorithms to guide the miniature robots to make good neural connections. From the article: The Caltech team has designed a system that would make the procedure more predictable by attaching a tiny MEMS-based motor to each electrode on a multichannel electrode array and using an algorithm to direct the electrodes to individual neurons. [...] …